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/*
*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*
*/
using System;
using System.Threading;
using common.org.apache.qpid.transport.util;
using NUnit.Framework;
using org.apache.qpid.transport.util;
namespace test.transport.util
{
[TestFixture]
public class CircularBufferTest
{
private CircularBuffer<Object> _buf;
private static readonly Logger _log = Logger.Get(typeof(CircularBufferTest));
[Test]
public void BlockingEnqueue()
{
_log.Debug("Running: BlockingEnqueue");
const int size = 10;
_buf = new CircularBuffer<Object>(size);
// add size element anc check that the size +1 add blocks
for (int i = 1; i < size; i++ )
{
_buf.Enqueue(new object());
}
// check tha the buffer is now full
Thread t = new Thread(Go);
t.Start();
Thread.Sleep(100);
// the trhead t should block until an element is dequeued
Assert.IsTrue(t.ThreadState == ThreadState.WaitSleepJoin);
_buf.Dequeue();
// t should now be stopped
Thread.Sleep(100);
Assert.IsTrue(t.ThreadState == ThreadState.Stopped);
}
[Test]
public void Close()
{
_log.Debug("Running: BlockingEnqueue");
const int size = 10;
_buf = new CircularBuffer<Object>(size);
// add size element anc check that the size +1 add blocks
for (int i = 1; i < size; i++)
{
_buf.Enqueue(new object());
}
// check tha the buffer is now full
Thread t = new Thread(Go);
t.Start();
Thread.Sleep(1000);
// the trhead t should block until the buffer is closed
Assert.IsTrue(t.ThreadState == ThreadState.WaitSleepJoin);
_buf.Close();
Thread.Sleep(100);
// t should now be stopped
Assert.IsTrue(t.ThreadState == ThreadState.Stopped);
}
void Go()
{
_buf.Enqueue(new object());
}
}
}
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